8540836408 has 16 divisors (see below), whose sum is σ = 17245919880. Its totient is φ = 3941924448.

The previous prime is 8540836393. The next prime is 8540836477. The reversal of 8540836408 is 8046380458.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41061610 + ... + 41061817.

Almost surely, 2^8540836408 is an apocalyptic number.

It is an amenable number.

8540836408 is an abundant number, since it is smaller than the sum of its proper divisors (8705083472).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8540836408 is a wasteful number, since it uses less digits than its factorization.

8540836408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82123446 (or 82123442 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 46.

The square root of 8540836408 is about 92416.6457300848. The cubic root of 8540836408 is about 2044.0905689396.

The spelling of 8540836408 in words is "eight billion, five hundred forty million, eight hundred thirty-six thousand, four hundred eight".